SSC JE Electrical 2019 with solution SET-2
A long straight wire carries a current I = 10 A. At what distance is the magnetic field H = 1 A/m?

10/2π
1/2 π
20/2π
5/2π

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SSC JE Electrical 2019 with solution SET-2
A series magnetic circuit will have

Same magnetic flux
Total reluctance of a series circuit = difference of the reluctances in different parts of the circuit
Different magnetic flux
Two or more paths for magnetic flux

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SSC JE Electrical 2019 with solution SET-2
Conductors experience skin effect in

DC transmission
AC transmission
HVDC transmission
Both AC and DC transmissions

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SSC JE Electrical 2019 with solution SET-2
 If a transformer has N1 = N2 = 1 : 1, then the transformer is a/an

Isolation transformer
Power transformer
Current transformer
Potential transformer

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